RAG and search: tools for developers

Retrieval-augmented tools, vector databases, embeddings and semantic search. An entry can appear under several use cases when its topics or description provide several explicit signals.

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147 entries in this view.

Tool ranking

Ranked by measured growth, normalized across sources. Raw values keep their source-specific window, shown under each tool; a change requires at least two snapshots from the last 7 days.

  1. 1

    MCP
    Active

    USPTO patent creation system with MCP server + Claude Code plugin. Hybrid RAG search over MPEP/USC/CFR, BigQuery access to 76M+ patents, automated 35 USC 112 compliance checks, prior art search, diagram generation. GPU-accelerated with…

    PythonLicense: MIT
    • bigquery
    • claude-code
    • claude-code-plugin
    • faiss
    • mcp-server

    githubmeasured growthOpen source ↗

    179GitHub stars+3 (+1.7 %)
  2. 2

    Agent
    Active

    BISHENG is an open LLM devops platform for next generation Enterprise AI applications. Powerful and comprehensive features include: GenAI workflow, RAG, Agent, Unified model management, Evaluation, SFT, Dataset Management, Enterprise-level…

    PythonLicense: Apache-2.0
    • agent
    • ai
    • chatbot
    • enterprise
    • finetune

    githubmeasured growthOpen source ↗

    11 923GitHub stars+3 (+0.03 %)
  3. 3

    Library
    Active

    LakeSoul is an end-to-end, realtime cloud-native Lakehouse framework for fast data ingestion, concurrent updates, incremental analytics, multimodal data processing and vector search — powering next-generation BI and AI workloads.

    JavaLicense: Apache-2.0
    • arrow
    • daft
    • datafusion
    • flink
    • gluten

    githubmeasured growthOpen source ↗

    3 249GitHub stars+2 (+0.06 %)
  4. 4

    Agent
    Active

    6 specialized AI agents collaborating via A2A protocol to power e-commerce — product discovery, orders, pricing, reviews, inventory & support. Dual-stack (Python + .NET/C#) with generative UI. Built with Microsoft Agent Framework, FastAPI,…

    PythonLicense: MIT
    • a2a-protocol
    • ai-agents
    • aspire-dashboard
    • azure-openai
    • csharp

    githubmeasured growthOpen source ↗

    23GitHub stars+2 (+9.5 %)
  5. 5

    Agent
    Active

    Ruby's capable AI runtime

    RubyLicense: MIT
    • a2a
    • a2a-client
    • agent
    • agent2agent
    • agents

    githubmeasured growthOpen source ↗

    139GitHub stars+2 (+1.5 %)
  6. 6

    MCP
    Active

    AST knowledge graph MCP server for Claude Code — semantic search, call graph traversal, HTTP route tracing, impact analysis. Auto-indexes 10 languages via Tree-sitter.

    RustLicense: MIT
    • ast
    • call-graph
    • claude-code
    • claude-code-plugin
    • code-navigation

    githubmeasured growthOpen source ↗

    72GitHub stars+2 (+2.9 %)
  7. 7

    Skill
    Active

    Harness engineering applied to knowledge production: a self-evolving multi-agent newsroom that turns your documents into a cross-linked markdown wiki. A "reground" loop pulls published pages back in before they go stale — writer ≠ reviewer,…

    PythonLicense: MIT
    • agentic-ai
    • ai-agents
    • claude
    • claude-code
    • claude-skills

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/alfadur7/llm-wiki-newsroom ~/.claude/skills/llm-wiki-newsroom

    82GitHub stars+2 (+2.5 %)
  8. 8

    Skill
    Active

    Agent skills for Qdrant vector search: scaling, performance optimization, search quality, monitoring, deployment, model migration, version upgrades, and SDK usage across Python, TypeScript, Rust, Go, .NET, Java

    PythonLicense: Apache-2.0
    • agent-skills
    • ai-agents
    • claude-code
    • codex
    • cursor

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/qdrant/skills ~/.claude/skills/skills

    230GitHub stars+2 (+0.88 %)
  9. 9

    Skill
    Active

    A self-hosted knowledge platform for humans and AI agents — publish wikis, blogs, and portable Agent Skills.

    TypeScriptLicense: Apache-2.0
    • agent-skills
    • ai-agent
    • blog
    • golang
    • knowledge-base

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Ciao1019/Petrichor ~/.claude/skills/Petrichor

    128GitHub stars+2 (+1.6 %)
  10. 10

    Skill
    Active

    Distill any document corpus into a navigable skill hierarchy for LLM agents — no retrieval system needed at serve time.

    PythonLicense: MIT
    • agent-skills
    • emnlp-2026
    • enterprise-search
    • llm
    • llm-agents

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/dukesun99/Corpus2Skill ~/.claude/skills/Corpus2Skill

    85GitHub stars+2 (+2.4 %)
  11. 11

    MCP
    Active

    Graph-powered code intelligence with semantic search and knowledge graph for AI assistants

    ↓ 107 downloads/weekTypeScriptLicense: NOASSERTION

      mcpmeasured growthOpen source ↗

      Install claude mcp add codeseeker -- npx codeseeker

      20GitHub stars+1 (+5.3 %)
    • 12

      MCP
      Active

      Developer journal with knowledge graphs, relationships, Git context, and semantic search

      TypeScriptLicense: MIT

        mcpmeasured growthOpen source ↗

        20GitHub stars+1 (+5.3 %)
      • 13

        Skill
        Active

        Team memory sharing for claude-mem — sync AI memories across developers, with Claude Code plugin, github action and knowledge distillation

        TypeScriptLicense: MIT
        • ai
        • ai-agents
        • ai-memory
        • ant
        • artificial-intelligence

        githubmeasured growthOpen source ↗

        Install /plugin marketplace add lopadova/claude-mem-sync

        25GitHub stars+1 (+4.2 %)
      • 14

        MCP
        Active

        Apple Developer Documentation with Semantic Search, RAG, and AI reranking for MCP clients

        TypeScriptLicense: MIT

          mcpmeasured growthOpen source ↗

          Remote server, to be declared in the MCP configuration https://mcp.apple-rag.com

          117GitHub stars+1 (+0.86 %)
        • 15

          Skill
          Active

          Local NotebookLM for Claude Code via Google Antigravity (agy / Gemini 3.x): /agy:notebook turns a folder of documents into per-doc summaries + a relevance index + a cited synthesis + Q&A. Plus audio/video transcription, deep web research…

          PythonLicense: MIT
          • agy
          • agy-cli
          • anthropic
          • antigravity
          • antigravity-cli

          githubmeasured growthOpen source ↗

          Install /plugin marketplace add MarcosNahuel/antigravity-plugin-cc

          27GitHub stars+1 (+3.8 %)
        • 16

          MCP
          Dormant

          Search the web, generate AI responses, and create embeddings with real-time information

          PythonLicense: NOASSERTION

            mcpmeasured growthOpen source ↗

            Install claude mcp add perplexity -- uvx mcparmory-perplexity

            31GitHub stars+1 (+3.3 %)
          • 17

            MCP
            Dormant

            Create and manage vector database indexes, backups, and collections

            PythonLicense: NOASSERTION

              mcpmeasured growthOpen source ↗

              Install claude mcp add pinecone -- uvx mcparmory-pinecone

              31GitHub stars+1 (+3.3 %)
            • 18

              MCP
              Active

              The Private Agent OS — search files, run AI agents, connect to 10,000+ tools via the complete protocol stack (MCP, AG-UI, A2UI, A2A). Zero cloud. Zero telemetry. On-device inference.

              Rust
              • a2a
              • a2ui
              • ag-ui
              • agent-orchestration
              • agent-os

              githubmeasured growthOpen source ↗

              31GitHub stars+1 (+3.3 %)
            • 19

              MCP
              Active

              Local semantic search over Obsidian vaults via Smart Connections embeddings. Multi-vault, private.

              TypeScriptLicense: MIT

                mcpmeasured growthOpen source ↗

                Install claude mcp add smart-connections-mcp -- npx smart-connections-mcp

                55GitHub stars+1 (+1.9 %)
              • 20

                Other
                Active

                A memory-first AI agent that remembers why decisions were made — not just the last message. Runs local (Ollama), cloud (Claude · OpenAI · Gemini), or decentralized TEE. Graph memory, self-learning skills, multi-model routing, sandboxed…

                RustLicense: MIT
                • a2a
                • acp
                • ai-agent
                • claude
                • cli

                githubmeasured growthOpen source ↗

                58GitHub stars+1 (+1.8 %)
              • 21

                Skill
                Active

                SRA-Bench and SR-Agents: a benchmark and toolkit for skill-retrieval-augmented LLM agents.

                PythonLicense: MIT
                • agent-memory
                • agent-skills
                • agentic-ai
                • benchmark
                • llm-based-agents

                githubmeasured growthOpen source ↗

                Install git clone https://github.com/oneal2000/SR-Agents ~/.claude/skills/SR-Agents

                102GitHub stars+1 (+0.99 %)
              • 22

                MCP
                Active

                RuvNet Brain — a downloadable, source-grounded brain for Claude Code over Reuven Cohen's (rUv's) RuvNet stack: RuVector/RVF, Ruflo, AgentDB, RuLake, SPARC + 21 building blocks. Grounds Claude in real source via one MCP tool (search_ruvnet),…

                JavaScript
                • agentdb
                • ai-agents
                • anthropic-claude
                • claude-code
                • claude-code-plugin

                githubmeasured growthOpen source ↗

                65GitHub stars+1 (+1.6 %)
              • 23

                MCP
                Active

                Persistent memory for Claude Code & Codex CLI. Auto-extracted knowledge graph, multi-representation embeddings, 3D WebGL visualization. LongMemEval R@5=97.45%. Self-hosted, Ollama-optional

                PythonLicense: MIT
                • ai-memory
                • ai-tools
                • anthropic
                • chromadb
                • claude-code

                githubmeasured growthOpen source ↗

                67GitHub stars+1 (+1.5 %)
              • 24

                MCP
                Active

                Token-efficient code review knowledge graph: semantic search and call-graph resolution.

                PythonLicense: Apache-2.0

                  mcpmeasured growthOpen source ↗

                  Install claude mcp add better-code-review-graph -- uvx better-code-review-graph

                  67GitHub stars+1 (+1.5 %)

                Learning resources

                Ranked by measured growth, normalized across sources. These resources remain available separately and do not take part in the main tool ranking.

                1. 1

                  lit-review-agent-tools

                  MCP
                  ActiveOpen source ↗

                  🤖 The strongest curated list of open-source AI-agent tools for literature review — 70+ tools across 11 categories (Claude Code skills, deep research, MCP servers, PDF parsing, systematic review). 面向智能体文献综述的最强工具大全。

                  PythonLicense: CC0-1.0
                  • academic-research
                  • ai-agents
                  • awesome
                  • awesome-list
                  • claude-code
                  githubResourcemeasured growth
                  16GitHub stars+3 (+23.1 %)